The relationship between music and cinema is spotlighted in the programme of this year’s Sundance London, including the UK unveiling of Lenny Abrahamson’s new film starring Michael Fassbender as cult musician Frank Sidebottom.

Rebel without a Cause remains the most enduring legacy of teen icon James Dean, but it’s also merely one of the many brilliant films by Nicholas Ray, who deserves to be better remembered for his deeply felt dramas about outsiders and loners.